Driving device



May 23, 1933. D WATERS 1,910,194

DRIVING DEVICE Filed March 17, 1930 y 25mm ATTORNEY Patented May 23, 1933 r i Uurrso STATES PATENT OFFICE DANIEL v. WATERS, or OAK PARK, ILLINOIS, nssreivonro wnsrnmv ELECTRIC COM- PANY, INCORPORATED, OF NEW Y RK, 1\T. Y., A CORPORATION OF NEW YORK DRIVING DEVICE Application filed. March 17, 1930. Serial NO. 436,340

This invention relates todriving devices 22, which also extends perpendicularly with and more particularly to driving devices for respect to the rear wall and support, being wire drawing machines. suitably ournalled in an enlarged portion 23 An object of the invention is to provide a of the support in such manner as to insure simple and efficient driving device, and one its being firmly held and rotatable therein in 55 which will contribute to the provision of an a substantially frictionless manner. A drive eiiicient and durable mechanism for handling gear 25 is keyed to the shaft 22 and disposed strand material at high speeds. thereon approximately midway between the One embodiment of the invention conternrear wall 14 and the support 15. r A die box plates the provision, in a wire drawing ma- 26 0f anysuitable type is rigidly mounted 6Q chine, of a flexible driving device wherein a upon the face of the support and extends cylindrical ball bearing gear member, driven therefrom substantially perpendicular to the by external teeth thereon, is provided with plane of thesupport, and providesmeans for internal teethloosely fitting into peripheral holdinga plurality of forming dies 27,27 teeth of a shaft extending through the cylinin position with respect to a wire 29 which is der at an angle to the axis'thereof. Both the drawn therefrom. In the embodiment shown, cylindrical gear member and theshaft are five of such dies are used. The wire 29 is rotatably journalled in the frame of a wire drawn from the dies 27 by means of a stepped drawing machine, and are actuated by a capstan 30, the latter being keyed upon av cap- 2 drive gear which meshes with the external stan shaft 31 so as to be rotated thereby. The

teeth of the cylindrical member. 7 rearwall 14 and support 15 are'suitably aper- The invention will be more fully undertured toacoommodate fixed, oppositely disstood by reference to the following detailed posed mounting plates 33 and 34, respectivedescription read in conjunction with the acly, which are each provided with an annular 5 companying drawing, formin a part thereflange 35, the flanges-extending toward each of, in which other from their respective plates to provide Fig. 1 is a schematic elevation of a wire a support for a cylindrical member or hollow drawing machine constituting one embodigear 37. The mounting plates 33 and 34 are ment of the invention; and provided with suitable ball bearings 41, 41

3 Fig. 2 is an enlarged fragmentary plan by means-of which the gear 37 is maintained 8 section of the driving device and associated between the flanges 35, 35 and its substantialtus, 7 1y frictionless rotation is permitted.

Referring to the drawing, in which simi- The hollow gear 37 is provided with a relalar parts have been designated by identical tively wide axial aperture 42 extending lonnism, generally denoted by the numeral 10, nal surfaceof which teeth 43, 43 are formed is mounted upon a base 11 and enclosed by a The capstan shaft 31 extends, through the casing 12, consisting of Opposing side walls longitudinal aperture of the cylindrical mem- 1313 and a rear wall 14 (Fig. 2) rigidly seher and is provided with a-plurality of excured to the side walls and base of thecasing. ternal teeth 45which loosely but continually 0 Within the casing and spaced from the rear mesh with the internal teeth 43 of the cylinwall 14, but secured to the side walls of the drical member. The mounting plate 34 is casing so as to be parallel with the rear wall, provided with a centrally disposed aperture is a support 15. An idler shaft 17 is secured a 46, and the. mounting plate 33, is provided in the rear wall 14 and the support 15 and eX- with an aperture 47 disposed appreciably tends perpendicularly therefrom to support away from the center point for accommodata plurality of individually rotatable idler ing the rotatable capstan shaft therein diagsheaves 19, 19, of which 5 are shown in the onally of the axis of-the gear 37. The'mountpresent embodiment. A motor 21, of any ing plates 33 and 34 are respectively pro- 50v suitable type, is provided with a drive shaft vided with suitable ball bearings49, androllw reference numerals, a wire drawing mechagitudinally thereof upon the lining or inter- 85 eterious grooving and frictional wear there-' in, the arrangement described may be advantageously employed. The wire 29 mmtroduced in the chamber from the right,

(Fig. 1) passes under the initial or innermost idler sheave 19 through the innermost die 27 which is that die having the largest bore of all the dies 27, and thence to the capstan 80, about the lowest step of which the wire is looped. The wire is then brought over and under the second idler sheave 19, through the second die 27 having the next largest bore, and thence is looped around the second step of the capstan 3.0. This process is continued until the wire is drawn over each.

of the idlers, through each of the dies 27 in the order of their graduated bore diameters, and about each of the graduated steps of the capstan 30. As is common in most wire drawing machines, the idler'sheaves serve to guide the wire to the dies and the capstans serve to pull the wire through the dies, the latter being held stationary against the pull of the wire 29 by the die holder 26.

The capstan shaft 31, since it is firmly mounted in the diagonally disposed apertures 46 and l7, may not be driven from the drive shaft 22 because there is no commercially feasible method ofproducingsuitable gears in a shaft inclined with respect to the drive shaft as is the capstan shaft 31, for cooperation with the driving gears. However, this difficulty is overcome by causing the capstan shaft 31 to extend through the cylindrical member 37, and since the latter is rotatably secured between the flanges 35, 35 and is provided with the central aperture 42, the diameter of which is sufficient to allow clearance between the member 37 and the shaft 21, the driving of the capstan 30 issecured without slippage or loss of power. It will also be observed that the internal teeth of the member 37 and the external teeth of the shaft 31 mesh loosely, having a clearance sufficient to permit enough flexibility for changing the angle of the shaft in a considerable degree. Both the drive gear 25 and the external teeth of the hollow gear 37 constitute straight gears which permit the rotation of the hollow gear 37 in accordance with the rotation of the drive shaft 22.

This combination of a hollow driven memher, through which is passed a subordinate driving member such as the capstanshaft' 31 may likewise be found in a system Where the hollow member is driven fromthe drive shaft by suitable gearing or belting, and the subordinate member driven by leather, fabric or any type of flexible coupling other than the gears 43 and 45. The embodiment specifically described above has however, been found to provide a dependable and eflicient arrangement for driving the inclined shaft from the main shaft and seems to be the most effective form of connection.

Although the invention has been described above in connection with a high speed wire drawing machine, it'will be apparent that the invention is capable of numerous modifications and should not, therefore, be limited other than by the appended claims.

What is claimed is:

1. In a driving device, a casing, a pair of supporting members r-emovably supported thereby and defining a chamber therebetween, a cylindrical member having hub portions at the ends thereof and rotatably supported in the supporting members upon the hubs and extending into the chamber in the housing, a plurality of internal teeth carried by the cylindrical member, a shaft journalled in the supporting members and extending through the cylindrical member diagonally to the axis thereof, a plurality of peripheral teeth carried by the shaft and meshing with the internal teeth of the cylindrical member, and means engageable with the cylindrical member between the supporting members for rotating the cylindrical member to drive the shaft.

2. In a driving device, a casing, a driving shaft supported in the casing, adriving member carried by the driving shaft, spaced mounting plates removably supported in the casing, a cylindrical member having teeth internally thereof and hub portions at the ends thereof and rotatably supported by and between the mounting plates, a shaft journalled in the mounting plates and extending through the cylindrical member diagonally of the axis thereof and having external peripheral teeth in engagement with the teeth of the rotatable member, and means for establishing driving connection between the driving member and the rotatable member.

In witness whereof, I hereunto subscribe my name this fifth day of March A. D., 1930.

' DANIEL V. WATERS. 

